java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_11.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:30:59,082 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:30:59,085 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:30:59,098 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:30:59,098 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:30:59,099 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:30:59,103 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:30:59,105 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:30:59,107 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:30:59,109 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:30:59,110 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:30:59,110 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:30:59,111 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:30:59,112 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:30:59,115 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:30:59,116 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:30:59,118 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:30:59,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:30:59,129 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:30:59,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:30:59,131 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:30:59,136 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:30:59,136 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:30:59,136 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:30:59,137 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:30:59,141 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:30:59,141 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:30:59,142 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:30:59,143 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:30:59,143 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:30:59,147 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:30:59,148 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:30:59,148 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:30:59,149 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:30:59,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:30:59,150 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 17:30:59,173 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:30:59,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:30:59,174 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:30:59,174 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:30:59,175 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:30:59,175 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:30:59,176 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:30:59,176 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:30:59,176 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:30:59,176 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:30:59,176 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:30:59,177 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:30:59,177 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:30:59,177 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:30:59,177 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:30:59,177 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:30:59,178 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:30:59,178 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:30:59,179 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:30:59,180 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:30:59,180 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:30:59,236 INFO ]: Repository-Root is: /tmp [2018-06-22 17:30:59,256 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:30:59,259 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:30:59,261 INFO ]: Initializing SmtParser... [2018-06-22 17:30:59,261 INFO ]: SmtParser initialized [2018-06-22 17:30:59,262 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_11.smt2 [2018-06-22 17:30:59,263 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-22 17:30:59,342 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_11.smt2 unknown [2018-06-22 17:30:59,877 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_11.smt2 [2018-06-22 17:30:59,882 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:30:59,888 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:30:59,888 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:30:59,888 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:30:59,888 INFO ]: ChcToBoogie initialized [2018-06-22 17:30:59,892 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:30:59" (1/1) ... [2018-06-22 17:31:00,003 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:31:00 Unit [2018-06-22 17:31:00,003 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:31:00,004 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:31:00,004 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:31:00,004 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:31:00,044 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:31:00" (1/1) ... [2018-06-22 17:31:00,044 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:31:00" (1/1) ... [2018-06-22 17:31:00,062 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:31:00" (1/1) ... [2018-06-22 17:31:00,062 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:31:00" (1/1) ... [2018-06-22 17:31:00,081 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:31:00" (1/1) ... [2018-06-22 17:31:00,082 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:31:00" (1/1) ... [2018-06-22 17:31:00,085 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:31:00" (1/1) ... [2018-06-22 17:31:00,099 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:31:00,099 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:31:00,099 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:31:00,099 INFO ]: RCFGBuilder initialized [2018-06-22 17:31:00,100 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:31:00" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 17:31:00,127 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:31:00,127 INFO ]: Found specification of procedure False [2018-06-22 17:31:00,127 INFO ]: Found implementation of procedure False [2018-06-22 17:31:00,127 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:31:00,127 INFO ]: Found specification of procedure state [2018-06-22 17:31:00,127 INFO ]: Found implementation of procedure state [2018-06-22 17:31:00,127 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:31:00,128 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:31:00,128 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:31:00,657 INFO ]: Using library mode [2018-06-22 17:31:00,658 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:31:00 BoogieIcfgContainer [2018-06-22 17:31:00,658 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:31:00,659 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:31:00,659 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:31:00,666 INFO ]: TraceAbstraction initialized [2018-06-22 17:31:00,666 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:30:59" (1/3) ... [2018-06-22 17:31:00,667 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87c73c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:31:00, skipping insertion in model container [2018-06-22 17:31:00,667 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:31:00" (2/3) ... [2018-06-22 17:31:00,667 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87c73c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:31:00, skipping insertion in model container [2018-06-22 17:31:00,667 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:31:00" (3/3) ... [2018-06-22 17:31:00,670 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:31:00,680 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:31:00,690 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:31:00,743 INFO ]: Using default assertion order modulation [2018-06-22 17:31:00,744 INFO ]: Interprodecural is true [2018-06-22 17:31:00,744 INFO ]: Hoare is false [2018-06-22 17:31:00,744 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:31:00,744 INFO ]: Backedges is TWOTRACK [2018-06-22 17:31:00,744 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:31:00,744 INFO ]: Difference is false [2018-06-22 17:31:00,744 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:31:00,744 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:31:00,767 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:31:00,783 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:31:00,784 INFO ]: Found error trace [2018-06-22 17:31:00,784 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:31:00,785 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:31:00,791 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:31:00,794 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:31:00,794 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:31:00,846 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:31:00,846 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:31:00,846 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:31:00,957 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:31:01,223 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:31:01,225 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:31:01,226 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:31:01,228 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:31:01,239 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:31:01,239 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:31:01,241 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:31:01,392 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:31:01,392 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:31:01,393 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:31:01,394 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:31:01,395 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:31:01,419 INFO ]: With dead ends: 13 [2018-06-22 17:31:01,419 INFO ]: Without dead ends: 13 [2018-06-22 17:31:01,424 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:31:01,446 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:31:01,515 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:31:01,517 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:31:01,517 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:31:01,525 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:31:01,525 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:31:01,525 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:31:01,525 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:31:01,525 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:31:01,527 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:31:01,527 INFO ]: Found error trace [2018-06-22 17:31:01,527 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:31:01,527 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:31:01,527 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:31:01,527 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:31:01,527 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:31:01,529 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:31:01,529 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:31:01,529 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:31:01,696 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:31:03,098 WARN ]: Spent 1.09 s on a formula simplification. DAG size of input: 90 DAG size of output: 44 [2018-06-22 17:31:03,259 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:31:03,259 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:31:03,259 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:31:03,268 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:31:03,396 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:31:03,406 INFO ]: Computing forward predicates... [2018-06-22 17:31:04,778 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:04,785 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:04,792 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:31:04,835 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:04,840 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:04,841 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:04,847 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:31:04,858 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:04,862 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:04,866 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:31:04,888 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:31:04,896 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:04,897 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:04,898 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:05,037 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,040 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,041 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:05,046 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,046 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:31:05,058 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,068 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,069 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:31:05,080 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,089 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,090 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:05,092 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,138 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 17:31:05,369 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 17:31:05,462 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:05,463 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,467 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:05,469 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,477 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:05,478 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,481 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:05,482 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,528 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,530 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:31:05,531 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,533 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,534 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:31:05,539 WARN ]: expecting exponential blowup for input size 21 [2018-06-22 17:31:31,369 WARN ]: Simplifying disjunction of 944784 conjuctions. This might take some time... Received shutdown request... [2018-06-22 17:32:07,992 INFO ]: Timeout while computing interpolants [2018-06-22 17:32:08,201 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:32:08,201 WARN ]: Verification canceled [2018-06-22 17:32:08,217 WARN ]: Timeout [2018-06-22 17:32:08,217 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:32:08 BoogieIcfgContainer [2018-06-22 17:32:08,217 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:32:08,218 INFO ]: Toolchain (without parser) took 68335.22 ms. Allocated memory was 307.2 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 239.7 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.1 GB. Max. memory is 3.6 GB. [2018-06-22 17:32:08,219 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:32:08,219 INFO ]: ChcToBoogie took 115.08 ms. Allocated memory is still 307.2 MB. Free memory was 239.7 MB in the beginning and 237.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:32:08,219 INFO ]: Boogie Preprocessor took 95.24 ms. Allocated memory is still 307.2 MB. Free memory was 237.7 MB in the beginning and 235.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:32:08,236 INFO ]: RCFGBuilder took 558.83 ms. Allocated memory is still 307.2 MB. Free memory was 235.7 MB in the beginning and 207.8 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:32:08,236 INFO ]: TraceAbstraction took 67557.49 ms. Allocated memory was 307.2 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 207.8 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.0 GB. Max. memory is 3.6 GB. [2018-06-22 17:32:08,243 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 115.08 ms. Allocated memory is still 307.2 MB. Free memory was 239.7 MB in the beginning and 237.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 95.24 ms. Allocated memory is still 307.2 MB. Free memory was 237.7 MB in the beginning and 235.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 558.83 ms. Allocated memory is still 307.2 MB. Free memory was 235.7 MB in the beginning and 207.8 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 67557.49 ms. Allocated memory was 307.2 MB in the beginning and 2.5 GB in the end (delta: 2.2 GB). Free memory was 207.8 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.0 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 944784 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 67.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_11.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-32-08-271.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_11.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-32-08-271.csv Completed graceful shutdown